Fractional Quantum Hall Effect: Graphene and TMDs

Presentations

• A modified interferometer to measure anyonic braiding statistics

  ORAL

  March 20, 2025, 8:00 AM – March 20, 2025, 8:12 AM

  Publication: S. A. Kivelson and C. Murthy, ​​​​​​​ arXiv:2403.12139 (2024)

  Presenters

  • Chaitanya Murthy

    • University of Rochester

  Authors

  • Chaitanya Murthy

    • University of Rochester

  • Steven Allan Kivelson

    • Stanford University

  View abstract →

• Anyonic Braiding in a Chiral Mach-Zehnder Interferometer

  ORAL

  March 20, 2025, 8:12 AM – March 20, 2025, 8:24 AM

  Publication: 1) Anyonic Braiding in a Chiral Mach-Zehnder Interferometer, arxived

  Presenters

  • Bikash Ghosh

    • Weizmann Institute of Science

  Authors

  • Bikash Ghosh

    • Weizmann Institute of Science

  • Maria Labendik

    • Weizmann Institute of Science

  • liliia musina

    • Weizmann Institute of Science
    • weizmann institute of science

  • Mordehai (Moty) Heiblum

    • Weizmann Institute of Science

  • David F. Mross

    • Weizmann Institute of Science

  • Vladimir Umansky

    • Weiamann Institute of Science
    • Weizmann Institute of Science
    • weizmann institute of science

  View abstract →

• The Quantum Hall Effect from Graphene Multilayers to Bulk Graphite

  ORAL

  March 20, 2025, 8:24 AM – March 20, 2025, 8:36 AM

  Presenters

  • Bishoy Magdy Kousa

    • University of Texas at Austin

  Authors

  • Bishoy Magdy Kousa

    • University of Texas at Austin

  • Nicholas Mazzucca

    • Ohio State University
    • Department of Physics, The Ohio State University

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Allan H MacDonald

    • University of Texas at Austin

  • Marc Bockrath

    • Ohio State University

  View abstract →

• Controlling anyon fluctuations in a graphene quantum Hall interferometer

  ORAL

  March 20, 2025, 8:36 AM – March 20, 2025, 8:48 AM

  Publication: T. Werkmeister, J. R. Ehrets, M. E. Wesson, D. H. Najafabadi, K. Watanabe, T. Taniguchi, B. I. Halperin, A. Yacoby, and P. Kim, Anyon braiding and telegraph noise in a graphene interferometer. (2024), arxiv:2403.18983 [cond-mat].

  Presenters

  • Thomas R Werkmeister

    • Harvard University

  Authors

  • Thomas R Werkmeister

    • Harvard University

  • James Ehrets

    • Harvard University

  • Christina E. Henzinger

    • Harvard University

  • Marie Elizabeth Wesson

    • Harvard University

  • Danial Haie Najafabadi

    • Center for Nanoscale Systems, Harvard University

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Bertrand I Halperin

    • Harvard University

  • Amir Yacoby

    • Harvard University

  • Philip Kim

    • Harvard University

  View abstract →

• Measuring the fundamental exchange phase of anyons in a modified quantum Hall interferometer

  ORAL

  March 20, 2025, 8:48 AM – March 20, 2025, 9:00 AM

  Presenters

  • James Ehrets

    • Harvard University

  Authors

  • James Ehrets

    • Harvard University

  • Thomas R Werkmeister

    • Harvard University

  • Christina E. Henzinger

    • Harvard University

  • Marie Elizabeth Wesson

    • Harvard University

  • Danial Haie Najafabadi

    • Center for Nanoscale Systems, Harvard University

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Bertrand I Halperin

    • Harvard University

  • Amir Yacoby

    • Harvard University

  • Philip Kim

    • Harvard University

  View abstract →

• Anti-dot geometries for precise manipulation of the interference of fractional quasiparticles in Bernal bilayer quantum Hall graphene

  ORAL

  March 20, 2025, 9:00 AM – March 20, 2025, 9:12 AM

  Presenters

  • Christina E. Henzinger

    • Harvard University

  Authors

  • Christina E. Henzinger

    • Harvard University

  • James Ehrets

    • Harvard University

  • Thomas R Werkmeister

    • Harvard University

  • Marie Elizabeth Wesson

    • Harvard University

  • Danial Haie Najafabadi

    • Center for Nanoscale Systems, Harvard University

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Bertrand I Halperin

    • Harvard University

  • Amir Yacoby

    • Harvard University

  • Philip Kim

    • Harvard University

  View abstract →

• Slow quasiparticle dynamics in graphene-based fractional quantum Hall Fabry-Pérot interferometers

  ORAL

  March 20, 2025, 9:12 AM – March 20, 2025, 9:24 AM

  Publication: Samuelson, Noah L., et al. "Anyonic statistics and slow quasiparticle dynamics in a graphene fractional quantum Hall interferometer." arXiv preprint arXiv:2403.19628 (2024).

  Presenters

  • Will Wang

    • University of California, Santa Barbara

  Authors

  • Will Wang

    • University of California, Santa Barbara

  • Noah L Samuelson

    • University of California, Santa Barbara

  • Liam A Cohen

    • University of California, Santa Barbara

  • Simon Blanch

    • University of California, Santa Barbara

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Michael P Zaletel

    • University of California, Berkeley

  • Andrea F Young

    • University of California, Santa Barbara
    • University of California Santa Barbara
    • University of California at Santa Barbara

  View abstract →

• Quarter- and half-filled quantum Hall states and their competing interactions in bilayer graphene

  ORAL

  March 20, 2025, 9:24 AM – March 20, 2025, 9:36 AM

  Publication: R. Kumar, A. Haug, J. Kim, M. Yutushui, K. Khudiakov, V. Bhardwaj, A. Ilin, K. Watanabe, T. Taniguchi, D.F. Mross, and Y. Ronen, "Quarter- and half-filled quantum Hall states and their competing interactions in bilayer graphene", arXiv preprint. arXiv:2405.19405 (2024).

  Presenters

  • André Haug

    • Weizmann Institute of Science

  Authors

  • André Haug

    • Weizmann Institute of Science

  • Ravi Kumar

    • Weizmann Institute of Science

  • Jehyun Kim

    • Weizmann Institute of Science

  • Mykhailo Yutushui

    • Weizmann Institute of Science

  • Konstantin Khudiakov

    • Weizmann Institute of Science

  • Vishal Bhardwaj

    • Weizmann Institute of Science

  • Alexey Ilin

    • Weizmann Institute of Science

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • David F. Mross

    • Weizmann Institute of Science

  • Yuval Ronen

    • Weizmann Institute of Science

  View abstract →

• A journey from fractional quantum Hall liquid to Wigner crystal and back

  ORAL

  March 20, 2025, 9:36 AM – March 20, 2025, 9:48 AM

  Presenters

  • Ravi Kumar

    • Weizmann Institute of Science

  Authors

  • Ravi Kumar

    • Weizmann Institute of Science

  • André Haug

    • Weizmann Institute of Science

  • Tomer Firon

    • Weizmann Institute of Science

  • Mykhailo Yutushui

    • Weizmann Institute of Science

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • David F. Mross

    • Weizmann Institute of Science

  • Yuval Ronen

    • Weizmann Institute of Science

  View abstract →

• Measuring bulk entropy in bilayer graphene fractional quantum Hall states using integrated graphite-aluminum single electron transistors

  ORAL

  March 20, 2025, 9:48 AM – March 20, 2025, 10:00 AM

  Presenters

  • Noah L Samuelson

    • University of California, Santa Barbara

  Authors

  • Noah L Samuelson

    • University of California, Santa Barbara

  • Yi Guo

    • University of California, Santa Barbara

  • Simon Blanch

    • University of California, Santa Barbara

  • Takashi Taniguchi

    • National Institute for Materials Science
    • International Center for Materials Nanoarchitectonics, National Institute for Materials Science
    • Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Kenji Watanabe

    • National Institute for Materials Science
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
    • Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan
    • National Institute of Materials Science
    • Advanced Materials Laboratory, National Institute for Materials Science

  • Andrea F Young

    • University of California, Santa Barbara
    • University of California Santa Barbara
    • University of California at Santa Barbara

  View abstract →

• Fractional Chern Insulators in Twisted Bilayer MoTe₂: A Composite Fermion Perspective

  ORAL

  March 20, 2025, 10:00 AM – March 20, 2025, 10:12 AM

  Publication: https://doi.org/10.48550/arXiv.2406.03530

  Presenters

  • Tianhong Lu

    • Emory University

  Authors

  • Tianhong Lu

    • Emory University

  • Luiz H Santos

    • Emory University

  View abstract →

• Magnetorotons in moir\'e fractional Chern insulators

  ORAL

  March 20, 2025, 10:12 AM – March 20, 2025, 10:24 AM

  Presenters

  • Xiaoyang Shen

    • Tsinghua University

  Authors

  • Xiaoyang Shen

    • Tsinghua University

  • Chonghao Wang

    • Tsinghua University

  • Xiaodong Hu

    • University of Washington
    • Boston College

  • Ruiping Guo

    • Tsinghua University

  • Hong Yao

    • Tsinghua University

  • Chong Wang

    • University of Washington
    • Tsinghua University

  • Wenhui Duan

    • Tsinghua University

  • Yong Xu

    • Tsinghua University

  View abstract →

• Quantum geometry and stability of fractional Chern insulators I: Perturbations from the ideal limit

  ORAL

  March 20, 2025, 10:24 AM – March 20, 2025, 10:36 AM

  Presenters

  • Nicolás Morales-Durán

    • Flatiron Institute

  Authors

  • Nicolás Morales-Durán

    • Flatiron Institute

  • Jingtian Shi

    • Argonne National Laboratory

  • Jennifer Cano

    • Stony Brook University

  View abstract →

• Quantum Geometry and Stability of Fractional Chern Insulators II: Multiband Formulation

  ORAL

  March 20, 2025, 10:36 AM – March 20, 2025, 10:48 AM

  Presenters

  • Jingtian Shi

    • Argonne National Laboratory

  Authors

  • Jingtian Shi

    • Argonne National Laboratory

  • Nicolás Morales-Durán

    • Flatiron Institute

  View abstract →

• Composite fermion tunneling at moiré TMD/superconductor interfaces

  ORAL

  March 20, 2025, 10:48 AM – March 20, 2025, 11:00 AM

  Presenters

  • Alex Thomson

    • University of California, Davis

  Authors

  • Alex Thomson

    • University of California, Davis

  • Chao-Jung Lee

    • University of California, Davis

  • Hart Goldman

    • University of Minnesota

  View abstract →